42 Cloud computing featuring software relating to buildings, parts of buildings and building equipment and technology, and elevators, namely software for the operation, automation, control, monitoring, maintenance, servicing and repair of elevators; computer services, namely, providing online non-downloadable customized computer software for the operation, automation, control, monitoring, maintenance, servicing and repair of elevators; Software as a service (SaaS) services featuring software for the operation, automation, control, monitoring, maintenance, servicing and repair of elevators authenticated via blockchain; creation, installation, updating and maintenance of software, database software and mobile applications for buildings, parts of buildings as well as building equipment and technology, elevators; software creation for the operation, automation, control, monitoring, maintenance, servicing and repair of buildings, parts of buildings as well as building equipment and technology, elevators and elevators; Software as a service (SaaS) services featuring software for the operation, automation, control, monitoring, maintenance, servicing and repair of elevators ; Software as a service (SaaS) services featuring software for the monitoring of elevator use and functions and the operation and monitoring of elevators and elevator safety equipment ; IT service management in the nature of remote management of the information technology (IT) systems of others relating to buildings, parts of buildings and building equipment and technology, elevators and elevators; engineering services relating to elevators and elevators; consulting in the field of elevator technology; engineering design, development, consulting and supervision of buildings, parts of buildings and building equipment and technology, elevators and elevators; computer-aided engineering testing and scientific analysis of buildings, parts of buildings and building equipment and technology, elevators and elevators